--- a/configure.in	Fri Feb 10 19:26:10 2012 +1000
+++ b/configure.in	Thu Feb 23 08:41:07 2012 +1000
@@ -144,7 +144,6 @@
 fi
 
 if test "x$enable_shared" != "xno"; then
-   AC_DEFINE(ENABLE_SHARED, [1], [Enable shared-library plugins])
    if test "x$APPLE_BUILD" = "xyes"; then
       SOEXT="dylib"
       PLUGINLDFLAGS="-dynamiclib -undefined dynamic_lookup"
@@ -182,7 +181,10 @@
    AC_SUBST(PLUGINLDFLAGS)
    AC_SUBST(LXDREAMLDFLAGS)
 fi
-AM_CONDITIONAL(BUILD_SHARED, [test "x$have_dlopen" = "xyes"])
+if test "x$have_dlopen" = "xyes"; then
+    AC_DEFINE(BUILD_PLUGINS, [1], [Enable dynamic plugin support])
+fi
+AM_CONDITIONAL(BUILD_PLUGINS, [test "x$have_dlopen" = "xyes"])
 
 AC_CHECK_FASTCALL([
    AC_DEFINE(HAVE_FASTCALL, [1], [Use fast register-passing calling conventions])